*{
  margin: 0;
  padding: 0;
}
html,body,#root,.wrap{
  width: 100%;
  height: 100%;
} 
.login-page{
  background: cadetblue;
  display: flex;
  flex-direction: column;
  align-items: center;
} 
.login-page h3{
  width: 100%;
  height: 80px;
  line-height: 80px;
  text-align: center;
  color: white;
  font-weight: 600;
  font-size: 30px;
}
.reg-page{
  background: rgb(108, 138, 139);
  display: flex;
  flex-direction: column;
  align-items: center;
} 
.reg-page h3{
  width: 100%;
  height: 80px;
  line-height: 80px;
  text-align: center;
  color: white;
  font-weight: 600;
  font-size: 30px;
}
.main-page{
  background: #eee;
  display: flex;
  flex-direction: column;
}
.main-page main{
  flex: 1;
  overflow-y: auto;
}
.main-page footer{
  width: 100%;
  height: 50px;
  display: flex;
}
.main-page footer a{
  text-decoration: none;
  color: #000;
  flex: 1;
  text-align: center;
  line-height: 50px;
}
.main-page footer a.active{
  background: rgb(108, 138, 139);
  color: white;
}